Interior is a township in Ontonagon County, Michigan, home to about 226 people across 86 square miles. It has no ZIP code of its own: it’s part of 49967.
Homes sold for a median of $216 per square foot in the three months ending August 2026, a seller’s market.
Mostly Stannard; part is in Interior
Each card is that ZIP code’s whole market, including any part outside Interior. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Interior’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)231 miles away |
|---|---|
| Closer regional airport | Houghton County Memorial Airport (CMX)54 miles away |
| Nearest city of 250,000+ | St. Paul, MN223 miles away |
| Nearest city of 1 million+ | Chicago, IL328 miles away |
Straight-line distances from the center of Interior; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Interior had 270 residents in the 2020 census, down 28% since 2000.
It’s the 1495th largest of 1,531 towns in Michigan by population.
Ontonagon County grew from 6,197 residents in 1900 to 5,816 in 2020.
Ontonagon County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 78°F in summer, and winter lows average 2°F. About 33 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Paulding, MI weather station (10 miles away).
902 jobs at 165 businesses in Ontonagon County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Interior.
Nearest hospitals
Providers with an office here
| Specialist doctors | 1 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (2 nearby)
Grocery stores
Counts are within about 6 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Life in Christ Christian SchoolOwosso | Pre-K–12 | 119 | Christian (no specific denomination) | 337.8 mi |
Source: U.S. Department of Education, NCES: Common Core of Data for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Stannard, Iron River Township, Duncan, Stambaugh and Laird.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.